Synonyms and related words :
botch, bungle, dash off, do anyhow, do by halves, do carelessly, do offhand, fake up, fudge up, jury-rig, knock off, knock out, knock together, lash up, patch, patch together, patch up, pound out, rough out, roughcast, roughhew, slap up, throw off, throw together, toss off, toss out, toss together, trifle with, whomp up